scripts:Update stat script output
scripts:Update stat script output

Improve stats script to output the filename and line numbers where a
unique error enum is being re-used. This makes it simple to pick
through the duplicates and evaluate them.

KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers